All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class JSci.io.MathMLExpression 

java.lang.Object
   |
   +----JSci.io.MathMLExpression
public final class MathMLExpression
extends Object
The MathMLExpression class is used by the MathMLParser to encapsulate math expressions described by the <apply> tag.

Constructor Index

o MathMLExpression()
Constructs a MathML expression.

Method Index

o addArgument(Object)
Adds an argument to this expression.
o evaluate()
Evaluates this expression.
o getArgument(int)
Returns an argument from this expression.
o getOperation()
Returns the operation to be applied to the arguments.
o length()
Returns the number of arguments.
o setOperation(String)
Set the operation to be applied to the arguments.
o substitute(String, Object)
Substitutes a value for a variable in this expression.

Constructors

o MathMLExpression 
 public MathMLExpression()
Constructs a MathML expression.

Methods

o setOperation 
 public void setOperation(String op)
Set the operation to be applied to the arguments.

o getOperation 
 public String getOperation()
Returns the operation to be applied to the arguments.

o addArgument 
 public void addArgument(Object obj)
Adds an argument to this expression.

o getArgument 
 public Object getArgument(int n)
Returns an argument from this expression.

o length 
 public int length()
Returns the number of arguments.

o substitute 
 public MathMLExpression substitute(String var,
                                    Object value)
Substitutes a value for a variable in this expression.

Parameters:
var - the variable to substitute for
value - the value of the variable
Returns:
the expression after substitution
o evaluate 
 public Object evaluate()
Evaluates this expression. 

All Packages  Class Hierarchy  This Package  Previous  Next  Index